416399417 has 4 divisors (see below), whose sum is σ = 475885056. Its totient is φ = 356913780.

The previous prime is 416399413. The next prime is 416399447. The reversal of 416399417 is 714993614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 714993614 = 2 ⋅357496807.

It is a cyclic number.

It is not a de Polignac number, because 416399417 - 2² = 416399413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (416399413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29742809 + ... + 29742822.

It is an arithmetic number, because the mean of its divisors is an integer number (118971264).

Almost surely, 2^416399417 is an apocalyptic number.

It is an amenable number.

416399417 is a deficient number, since it is larger than the sum of its proper divisors (59485639).

416399417 is an equidigital number, since it uses as much as digits as its factorization.

416399417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59485638.

The product of its digits is 163296, while the sum is 44.

The square root of 416399417 is about 20405.8672199934. The cubic root of 416399417 is about 746.7410697496.

The spelling of 416399417 in words is "four hundred sixteen million, three hundred ninety-nine thousand, four hundred seventeen".